- Beryl (Var: Aquamarine)
- Thumbnail, 2.2 x 1.2 x 0.8 cm
- Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA
A water-clear, gemmy and lustrous, doubly terminated, faint blue-green aquamarine crystal from the Pack Rat Mine, Jacumba District, San Diego County. The crystal has a distinctive interior refraction in the middle and the terminations are lightly coated with iron oxides. Ex. Irv Brown Collection. 22.6 carats or 4.5 grams.